Sash-fastener



,903. Patented Apr. u, I899. T. B. STEVENS.

SASH FASTENEB.

(Application filed May 24, 1898.)

(No Medal.)

UNITED" STATES PATENT OFFICE.

THEODORE B. STEVENS, OF CLEVELAND, OHIO.

SASH-FASTENEF.

SPECIFICATION forming part of Letters Patent No. 622,903, dated April11, 1899. Application filed May 24, 1898. Serial No. 681,605. (Nomodel.)

To all whom it may concern.-

Be it known that I, THEODORE B. STEVENS, a citizen of the United States,residing at Cleveland, in the county of Ouyahogaand State of Ohio, haveinvented a certain new and useful Improvement in Sash-Locks, of whichthe following is a full, clear, and exact description, reference beinghad to the accompanying drawings.

The present invention is an improvement on that sash-lock which formsthe subject of my pending application, Serial No. 661,639, filedDecember 30, 1897, the object being to simplify and cheapen the deviceand render it more efficient.

The invention consists in the construction and combination of partshereinafter. de-

' scribed, and pointed out definitely in the claims.

In the drawings, Figure 1 is a side elevation of the sash-lock. Fig. 2is a side elevation of the same when casing member 0 is removed andcasing D is sectioned. Fig. 3 is a similar view of the same parts whenthe wedge is driven in to draw the two sashes together. Fig. 4. is abottom plan view. Fig. 5 is a front view of the casing C. Fig. 6 is aperspective view of the wedge. Fig. 7 is a perspective view of the bail.Fig. 8 is a side elevation similar to Fig. 2, except that the parts areassembled in a slightly-different manner, whereby the locking-roller maybe disengaged from the recess in the casing D.

The sash-lock shown in the drawings, em-

bodying my invention, includes two casings O and D, of which the formeris intended to be secured to the upper rail of the lower sash and thelatter to the lower rail of the upper sash.

The casing D' is or may be substantially like the corresponding casingshown and describedin said former application-that is to say, itcontains in its front face one or more recesses d, which are adapted toreceive the locking-roller and are preferably nearly semicylindrical inform. The improvement is to be found in the construction of the casingO, the wedge, and the bail.

The casing O is made of two members c c, which are not intended to befastened together, but are intended to be independently secured to thesash-rails in proper relation to each other. The member 0 consists of abase 1, a vertical side 2, a foot 3, containing a slot 4 for thefastening-screw J, and a horizontal bar 5, which projects laterallyfromthe front edge of side 2 at a suitable distance above the base. Onthe upper surface of the base 1 is a transverse rib 6, which ispreferably bev= eled on its front side and is substantially vertical onits rear side.

The casing member 0 consists of a vertical side 7 and a foot 8, having aslot 9 for the fastoning-screw J. In the front edge of the side 7 is anotch 10, adapted to receive the end of the bar 5. A V-shaped tongue 12at the bot tom of the member 0' enters a correspondingly-shaped notch 13in the edge of the base 1, whereby the parts are caused to assume theirproper relative position.

The casing O, constructed as described, maybe more cheaply made andfinished than it could be if it were made in one piece, and it may bejust as easily attached to the sashrail. It is, moreover, a constructionwithout which or its equivalent the wedge G and bail F could not beconstructed and disposed as described. On the sides 2 and 7 are formedthe beveled hooks 16, which are intended to engage with beveled wings don casing D when the windows are closed, and thereby draw the twomeeting sash-rails together. After the engagement of these wings andhooks has taken place the greater the relative movement of the sashes inthe closing direction the more closely will the sashes be drawntogether.

A movable wedge G lies between the two sides 7 and 2 of the casing andits front end passes under the bar 5. A lug. g is formed on thebottom ofthis wedge and rests upon the base 1, as does also the rear end g of thewedge G, whereby the top surface of this socalled wedge inclinesdownward from its front to its rear end. The rear side of the rib g isbeveled substantially'as shown, while the front side is preferablyvertical. On the upper side of the wedge is an upwardly-extended fingerg which lies just behind the bar 5 and by engaging with said barprevents the withdrawal of thewedge from the position shown. On thefront end of the wedge are two lateral extensions 9 which serve as stopsto limit the rearward movement of the wedge. These stops and the fingerg prevent the withdrawal of the wedge from the casing when the casingmembers are assembled as shown. The top surface of this wedge acts as aninclined floor down which the lockingroller E rolls into one of therecesses d. When the'windows are closed, said locking-roller is drawnforward out of the recess (:1 by means of a bail E, which is providedwith fingers f, which enter the ends of the roller, whereby said rollermay be moved. The ends of the bail are also provided withoppositelydirected fingers f, which enter slots 14 and 15, which arerespectively formed in the vertical sides of the casing C. Thesefingersf', while permitting the roller to move backward as far as itshould to properly engage with the casing D and the recess (1 therein,prevent it from being drawn'out of casing O. This bail F is preferablymade of thin metal bent into the desired shape with its ends split, onepart of said split end being bent inward to form the finger fand theother outward to form thefingerf. Under normal conditions the wedge isin the relative'position-with respect to the casing as is shown in Fig.2-that is to say, the rib g on the under side of the wedge is in frontofthe rib 6 on the base of the casin g. \Vhen the windows are closed, theroller E rolls down the inclined surface of the wedge and enters one ofthe recesses 01. If now it is desired to draw the two meeting-railsclose together, the wedge G is pushed in, its rib g passing over andbehind the rib on the base of the casing, thereby preventing theaccidental releasing movement of the wedge. The described rearwardmovement of the wedge actsto move the roller E up relative to themeeting-rail upon which the casing (J is secured. This roller pr'essesupward upon the upper wall of the recess d, which moves the casing Dupward relative to the casing O. The hooks 16, carried by the casing C,be-

ing in engagement with the beveled. wings in the casing 0, act to drawinto close contact with each other the two sash-rails to which saidcasings are secured.

The bail is provided on each leg with an inclined shoulder f which whenthe parts are assembled as shown in Fig. Sis on the lower edge of saidleg. When the lockingroller is drawn forward, these shoulders catch onthe bar 5'and hold said roller in a position where it cannot engage withthe casing D. By this means a heavy window may be held unlocked while itis being raised; but the jar incident to closing the .window issuificient to shake the bail out of engagement with said bar, wherebythe roller will roll backward into the locking position. On lightwindows, which may be raised with one hand, the parts are preferablyassembled as shown in Figs. '1, 2, and 3; but on heavy windows,

which ordinarily require both hands to raise them, the parts will beassembled as shown in Fig. 8.

Having described my invention, I claim 1. In a sash-lock, incombination, a casing having twoslotted sides, a roller between saidsides, a bail having fingers which enter the ends of the roller andoppositely-extended fingers which enter the slots in the sides,substantially as described.

2. In a sash-lock, in combination, a casing having two slotted sides, aroller between the said sides, a bail having fingers which enter theends of the roller and oppositely-extended fingers which enter the slotin the sides, and a suitable inclined floor within the casing down whichsaid roller tends to roll, substantially as described.

3. In a sash-lock, in combination, a casing having two slotted sideswhich are capable of independent attachment to the window-sash, aninclined floor within the casing, a roller between the sides of thecasing, and a bail having fingers which enter the ends of the roller andoppositely-extended fingers which enter the slots in the sides,substantially as described. V

4. In a sash-lock, a casing composed of the member 0 having the base 1,slotted side 2, foot 3 and 'bar 5, and the member 0 having the slottedside 7 with the notch 10 and the foot, each of said feet having a holefor an attaching-screw, substantially as and for the purpose specified.

5. In a sash-lock, a casing having two sides and a base, alocking-roller and a bail, combined with a movable wedge which rests onthe top of the base of the casing and has its incline exposed to theroller for the whole length of travel of the latter whereby the Wedgeitself furnishes the whole incline required and obviates the necessityof any other inclined floor to give the roller a constant downwardtendency, substantially as described.

6. In. a sash-lock, a casing having two separable sides, a base and abar 5, combined with a movable wedge resting upon said base, having thefinger g and the laterally-extended stops 9, a locking-roller, and abail, substantially as and for the purpose specified.

7. In a sash-lock, a casing having two sides, a base, and a rib 6 onsaid base, combined with a wedge having a rib g on its under side, alocking-roller and a bail, substantially as and for the purposespecified.

In testimony whereof I hereunto affix my signature in the presence oftwo witnesses.

THEODORE B. STEVENS.

